文件 1 的 1:InsurChainCoin.sol
pragma solidity ^0.4.24;
library SafeMath {
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
}
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
function batchTransfer(address[] receivers, uint256[] values) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) internal balances;
uint256 internal totalSupply_;
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
function balanceOf(address _owner) public view returns (uint256) {
return balances[_owner];
}
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
function batchTransfer(address[] _receivers, uint256[] _values) public returns (bool) {
require(_receivers.length > 0);
require(_receivers.length < 100000);
require(_receivers.length == _values.length);
uint256 sum;
for(uint i = 0; i < _values.length; i++) {
sum = sum.add(_values[i]);
}
require(sum <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(sum);
for(uint j = 0; j < _receivers.length; j++) {
balances[_receivers[j]] = balances[_receivers[j]].add(_values[j]);
emit Transfer(msg.sender, _receivers[j], _values[j]);
}
return true;
}
}
contract InsurChainCoin is BasicToken {
string public name;
string public symbol;
uint8 public decimals;
constructor() public {
name = "InsurChain2.0";
symbol = "INSUR";
decimals = 18;
totalSupply_ = 2e28;
balances[msg.sender]=totalSupply_;
emit Transfer(address(0), msg.sender, totalSupply_);
}
}
{
"compilationTarget": {
"InsurChainCoin.sol": "InsurChainCoin"
},
"evmVersion": "byzantium",
"libraries": {},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}